The invention relates to the technical field of printing supplies, in particular to a novel ink box. The novel ink box comprises a box body, a guiding air hole, an ink outlet, a water-proof permeability layer and a filtering net. The guiding air hole is arranged in the top portion of the box body and the ink outlet is arranged in the bottom of the box body. The water-proof permeability layer is arranged on the guiding air hole. The filtering net is arranged on the ink outlet. The novel ink box is simple in structure, compact, reasonable, rapid and convenient to assemble, reliable in connection, good in air permeability and good in sealing performance at the same time, capable of preventing from leaking ink of the ink box under the idle state, convenient and flexible to assemble and dismantle, beneficial to recycling of an empty ink box and low in production cost. Operating reliability of a plotting instrument is greatly improved. The novel ink box is easy to use and popularize.